They miss Get in touch with lots, so Even when you continue to keep them pressed, for those who don't use ample pressure, they're going to loose Make contact with for your second, creating a keypress to become registred, which is actually annoying! Looks like you are making use of https://rowanpgxnd.theblogfairy.com/6990007/5-simple-statements-about-3d-printed-keyboard-case-explained